3OFI:
reference: Ubiquitin is a novel substrate for human insulin-degrading enzyme., Ralat LA, Kalas V, Zheng Z, Goldman RD, Sosnick TR, Tang WJ, J Mol Biol. 2011 Feb 25;406(3):454-66. Epub 2010 Dec 23. PMID: 21185309

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).